/* ===== YINNAN 2026-11 新增樣式：照片修正 / 服務 / 磁學實驗室 ===== */
/* =========================================================
 * 統一配色 (2026-11-07)
 * 只用：品牌紅（YINNAN 標誌）+ 深海軍藍 + 鋼藍 + 中性灰
 * 取代原模板的黃色、亮紅、青綠色混搭
 * ========================================================= */
:root {
  --yn-red: #c8102e;        /* 品牌紅：重點、按鈕、標題線 */
  --yn-red-dark: #9e0c24;
  --yn-red-soft: #f8e7ea;
  --yn-navy: #14243a;       /* 深海軍藍：深色區塊、標題 */
  --yn-steel: #2f5d8a;      /* 鋼藍：次要強調、圖示 */
  --yn-steel-light: #a9c1d9;/* 深色底上的淺藍字 */
  --yn-dark: #14243a;
  --yn-ink: #2b3440;
  --yn-muted: #5b6672;
  --yn-soft: #f4f6f9;
  --yn-line: #e1e6ec;
  --yn-teal: var(--yn-steel);
  /* 覆蓋原模板變數 */
  --color-primary: #c8102e;
  --color-default: #14243a;
  --color-secondary: #4e5a66;
}
body { color: var(--yn-ink); }
a { color: var(--yn-steel); }
a:hover { color: var(--yn-red); }

/* 原本寫死在 HTML 的 <font color> 統一 */
.header .logo font[color] { color: var(--yn-red) !important; }
.header .logo p font[color] { color: #c9d1da !important; }
.navbar h0 font[color] { color: #c9d1da !important; }
.hero h2 font[color] { color: #ff4d5e !important; }
.hero h4 font[color] { color: #dbe3ec !important; }
.section-header p font[color] { color: var(--yn-muted) !important; }
.footer font[color] { color: #ff7a88 !important; }

.hero .btn-get-started { border-color: var(--yn-red); }
.hero .btn-get-started:hover { background: var(--yn-red); border-color: var(--yn-red); }
.hero .info h2:after { background: var(--yn-red); }
.scroll-top { background: var(--yn-red) !important; }
.scroll-top i { color: #fff !important; }
.scroll-top:hover { background: var(--yn-red-dark) !important; }
.navbar .dropdown ul a:hover, .navbar .dropdown ul .active:hover, .navbar .dropdown ul li:hover > a { color: var(--yn-red); }
.navbar a:before { background-color: var(--yn-red) !important; }

/* 產品卡：灰底粗框 → 白底細框 */
.constructions .card-item {
  background: #fff; border: 1px solid var(--yn-line); border-radius: 10px;
  box-shadow: 0 2px 10px rgba(20, 36, 58, .05); overflow: hidden; transition: box-shadow .2s, transform .2s;
}
.constructions .card-item:hover { box-shadow: 0 10px 26px rgba(20, 36, 58, .1); transform: translateY(-3px); }
.constructions .card-item h4 { color: var(--yn-navy); }
.constructions .card-item p { color: var(--yn-muted); }
.constructions .card-item .card-bg { background-color: #fff; border-right: 1px solid var(--yn-line); }

/* 頁尾 */
.footer:before { background: rgba(14, 25, 41, .88); }
.footer .footer-products a, .footer .footer-content ul a { color: #c9d1da; }
.footer .footer-products a:hover, .footer .footer-content ul a:hover { color: #fff; }
.recent-blog-posts .post-item .post-date { background: var(--yn-red); }
.recent-blog-posts .post-item .readmore { color: var(--yn-red); }

/* ---------- 照片失真修正 ----------
   產品圖原檔很小（約 300~500px），原本用 cover 放大裁切，會模糊、被切掉。
   改成完整顯示、不放大過頭、白底留邊。 */
.constructions .card-item .card-bg {
  background-size: contain !important;
  background-color: #fff;
  background-origin: content-box;
  padding: 12px;
  min-height: 220px;
  height: 100%;
}
.constructions .card-item > .row { --bs-gutter-x: 0; }
.constructions .card-item .card-body { padding: 16px 18px; }
@media (max-width: 1199px) {
  .constructions .card-item { left: 0; }
  .constructions .card-item .card-bg { min-height: 240px; max-width: 420px; margin: 0 auto; }
}
/* 關於我們圖片 (258x462)：不再放大到 450px */
.about .about-img { background-size: contain !important; background-color: #fff; }
@media (min-width: 992px) { .about .about-img { background-size: auto 90% !important; } }

/* ---------- 服務區塊 ---------- */
.yn-services { padding: 70px 0; background: var(--yn-soft); }
.yn-services .section-header p { color: var(--yn-teal); }
.yn-svc {
  background: #fff; border: 1px solid var(--yn-line); border-radius: 10px;
  padding: 28px 24px; height: 100%; transition: transform .2s, box-shadow .2s; position: relative;
}
.yn-svc:hover { transform: translateY(-4px); box-shadow: 0 10px 28px rgba(0,0,0,.08); }
.yn-svc .yn-ico {
  width: 54px; height: 54px; border-radius: 10px; display: flex; align-items: center;
  justify-content: center; font-size: 26px; color: #fff; background: var(--yn-teal); margin-bottom: 16px;
}
.yn-svc.is-new .yn-ico { background: var(--yn-red); }
.yn-svc h3 { font-size: 20px; font-weight: 700; color: var(--yn-dark); margin-bottom: 10px; }
.yn-svc p { color: #5a6570; font-size: 15px; margin-bottom: 12px; }
.yn-svc ul { padding-left: 18px; margin: 0; color: var(--yn-ink); font-size: 14px; }
.yn-svc ul li { margin-bottom: 4px; }
.yn-badge {
  position: absolute; top: 14px; right: 14px; font-size: 12px; font-weight: 700;
  background: var(--yn-red); color: #fff; padding: 2px 10px; border-radius: 20px;
}
.yn-flow { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-top: 44px; }
.yn-flow .step {
  background: #fff; border: 1px solid var(--yn-line); border-radius: 30px; padding: 10px 20px;
  font-weight: 600; color: var(--yn-dark); font-size: 15px;
}
.yn-flow .step b { color: var(--yn-red); margin-right: 6px; }
.yn-flow .arrow { align-self: center; color: var(--yn-teal); font-size: 20px; }
.yn-cta {
  margin-top: 40px; background: var(--yn-dark); color: #fff; border-radius: 12px;
  padding: 28px; display: flex; flex-wrap: wrap; gap: 16px; align-items: center; justify-content: space-between;
}
.yn-cta h4 { color: #fff; margin: 0 0 4px; font-weight: 700; }
.yn-cta p { margin: 0; color: #c9d2da; }
.yn-btn {
  background: var(--yn-red); color: #fff; border: 0; border-radius: 6px; padding: 12px 26px;
  font-weight: 700; cursor: pointer; text-decoration: none; display: inline-block;
}
.yn-btn:hover { background: #b51515; color: #fff; }
.yn-btn.ghost { background: transparent; border: 2px solid #fff; }
.yn-btn.ghost:hover { background: #fff; color: var(--yn-dark); }
.hero .yn-hero-lab {
  display: inline-block; margin-left: 10px; margin-top: 10px; padding: 12px 30px; border-radius: 4px;
  border: 2px solid #fff; color: #fff; font-weight: 500; letter-spacing: 1px; background: rgba(0,0,0,.2);
}
.hero .yn-hero-lab:hover { background: var(--yn-teal); border-color: var(--yn-teal); color: #fff; }

/* ---------- 磁學實驗室 ---------- */
.yn-lab-sec { padding: 70px 0; background: #0e1929; color: #dbe4ec; }
.yn-lab-sec .section-header h2 { color: #fff; }
.yn-lab-sec .section-header h2:after { background: var(--yn-red); }
.yn-lab-sec .section-header p { color: var(--yn-steel-light); }
.yn-tabs { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-bottom: 22px; }
.yn-tabs button {
  background: #1a2b42; color: #b9c7d4; border: 1px solid #2b405c; border-radius: 30px;
  padding: 9px 18px; font-size: 15px; font-weight: 600; cursor: pointer;
}
.yn-tabs button i { margin-right: 6px; }
.yn-tabs button:hover { color: #fff; border-color: var(--yn-teal); }
.yn-tabs button.on { background: var(--yn-red); border-color: var(--yn-red); color: #fff; }
.yn-pane { display: none; background: #152437; border: 1px solid #24364f; border-radius: 14px; padding: 22px; }
.yn-pane.on { display: block; }
@media (max-width: 575px) {
  .yn-pane { padding: 14px 10px; }
  .yn-lab-sec .container { padding-left: 10px; padding-right: 10px; }
}
.yn-pane h3 { color: #fff; font-size: 22px; font-weight: 700; margin: 0 0 6px; }
.yn-pane .lead { color: #9fb0bf; font-size: 15px; margin-bottom: 16px; }
.yn-grid { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); gap: 20px; }
@media (max-width: 991px) { .yn-grid { grid-template-columns: minmax(0, 1fr); } }
.yn-canvas { width: 100%; display: block; background: #0b1524; border-radius: 10px; border: 1px solid #24364f; }
.yn-ctrl { background: #101d2e; border: 1px solid #24364f; border-radius: 10px; padding: 16px; }
.yn-ctrl label { display: flex; justify-content: space-between; font-size: 14px; color: #b9c7d4; margin: 10px 0 4px; }
.yn-ctrl label b { color: #fff; font-variant-numeric: tabular-nums; }
.yn-ctrl input[type=range] { width: 100%; accent-color: var(--yn-red); }
.yn-seg { display: flex; gap: 6px; flex-wrap: wrap; }
.yn-seg button {
  flex: 1; background: #1a2b42; border: 1px solid #2b405c; color: #b9c7d4; border-radius: 6px;
  padding: 6px 8px; font-size: 13px; cursor: pointer; min-width: 64px;
}
.yn-seg button.on { background: var(--yn-teal); border-color: var(--yn-teal); color: #fff; }
.yn-readout { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 14px; }
.yn-readout div { background: #0b1524; border: 1px solid #24364f; border-radius: 8px; padding: 8px 10px; }
.yn-readout small { display: block; font-size: 12px; color: #7f91a2; }
.yn-readout strong { font-size: 19px; color: #fff; font-variant-numeric: tabular-nums; }
.yn-readout .warn strong { color: #ff6b6b; }
.yn-readout .ok strong { color: #5dff9e; }
.yn-mission {
  margin-top: 14px; background: linear-gradient(135deg, #2a1416, #1a2b42); border: 1px solid #5a2328;
  border-radius: 10px; padding: 12px 14px; font-size: 14px;
}
.yn-mission .mt { color: #ffb3b3; font-weight: 700; font-size: 13px; letter-spacing: .5px; }
.yn-mission .mq { color: #fff; font-size: 16px; font-weight: 600; margin: 4px 0; }
.yn-mission .ms { color: #9fb0bf; }
.yn-mission.win { background: linear-gradient(135deg, #10301f, #1a2b42); border-color: #2c7a4b; }
.yn-mission.win .mt { color: #5dff9e; }
.yn-mission button {
  margin-top: 8px; background: var(--yn-red); color: #fff; border: 0; border-radius: 6px;
  padding: 6px 14px; font-weight: 700; font-size: 13px; cursor: pointer;
}
.yn-tip { margin-top: 12px; font-size: 13px; color: #8a9bab; line-height: 1.6; }
.yn-tip b { color: var(--yn-steel-light); }
.yn-note { font-size: 12px; color: #6b7c8c; margin-top: 14px; text-align: center; }

.yn-apps { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 12px; }
.yn-app {
  background: #101d2e; border: 1px solid #24364f; border-radius: 10px; padding: 16px 12px; text-align: center;
  cursor: pointer; color: #dbe4ec; transition: border-color .2s, transform .2s;
}
.yn-app:hover { border-color: var(--yn-teal); transform: translateY(-3px); }
.yn-app.on { border-color: var(--yn-red); background: #2a1420; }
.yn-app .ic { font-size: 34px; color: var(--yn-teal); display: block; margin-bottom: 6px; }
.yn-app.on .ic { color: var(--yn-red); }
.yn-app b { font-size: 15px; display: block; }
.yn-app small { color: #7f91a2; font-size: 12px; }
.yn-appd {
  margin-top: 16px; background: #101d2e; border: 1px solid #24364f; border-radius: 10px; padding: 18px;
  display: grid; grid-template-columns: 300px minmax(0, 1fr); gap: 20px; align-items: center;
}
@media (max-width: 767px) { .yn-appd { grid-template-columns: minmax(0, 1fr); } }
.yn-appd h4 { color: #fff; font-weight: 700; margin: 0 0 8px; }
.yn-appd p { color: #b9c7d4; font-size: 15px; margin-bottom: 8px; }
.yn-appd .rel { font-size: 14px; color: var(--yn-steel-light); }
.yn-appd .rel b { color: #fff; }

/* =========================================================
 * 台灣製造低頻變壓器 / 電磁鐵設計代工 (2026-11-07)
 * ========================================================= */
.yn-sec { padding: 70px 0; }
.yn-sec.alt { background: var(--yn-soft); }
.yn-sec .section-header p { color: var(--yn-muted); }
.yn-mit {
  display: inline-flex; align-items: center; gap: 8px; background: var(--yn-red-soft); color: var(--yn-red);
  border-radius: 30px; padding: 6px 16px; font-weight: 700; font-size: 14px; margin-bottom: 14px;
}
.yn-feat { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 14px; margin-bottom: 30px; }
.yn-feat > div {
  background: #fff; border: 1px solid var(--yn-line); border-radius: 10px; padding: 18px; display: flex; gap: 12px;
}
.yn-feat i { font-size: 26px; color: var(--yn-red); line-height: 1; }
.yn-feat b { display: block; color: var(--yn-navy); font-size: 16px; margin-bottom: 4px; }
.yn-feat span { color: var(--yn-muted); font-size: 14px; }

.yn-tiers { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; margin-bottom: 30px; }
@media (max-width: 991px) { .yn-tiers { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 480px) { .yn-tiers { grid-template-columns: minmax(0, 1fr); } }
.yn-tier { background: #fff; border: 1px solid var(--yn-line); border-top: 4px solid var(--yn-steel); border-radius: 10px; padding: 18px; }
.yn-tier .va { font-size: 22px; font-weight: 800; color: var(--yn-navy); }
.yn-tier .core { font-size: 13px; color: var(--yn-steel); font-weight: 700; margin: 2px 0 8px; }
.yn-tier p { font-size: 14px; color: var(--yn-muted); margin: 0; }

.yn-spec { background: #fff; border: 1px solid var(--yn-line); border-radius: 12px; overflow: hidden; }
.yn-spec-tabs { display: flex; flex-wrap: wrap; border-bottom: 1px solid var(--yn-line); background: #fafbfc; }
.yn-spec-tabs button {
  background: none; border: 0; padding: 14px 20px; font-weight: 700; color: var(--yn-muted); cursor: pointer;
  border-bottom: 3px solid transparent; font-size: 15px;
}
.yn-spec-tabs button.on { color: var(--yn-red); border-bottom-color: var(--yn-red); background: #fff; }
.yn-spec-body { padding: 20px; }
.yn-spec-body > div { display: none; }
.yn-spec-body > div.on { display: block; }
.yn-table { width: 100%; border-collapse: collapse; font-size: 15px; }
.yn-table th, .yn-table td { border-bottom: 1px solid var(--yn-line); padding: 10px 12px; text-align: left; vertical-align: top; }
.yn-table th { width: 28%; color: var(--yn-navy); background: #f7f9fb; font-weight: 700; }
.yn-table td { color: var(--yn-ink); }
@media (max-width: 575px) { .yn-table th, .yn-table td { display: block; width: 100%; } .yn-table th { border-bottom: 0; padding-bottom: 2px; } }
.yn-chips2 { display: flex; flex-wrap: wrap; gap: 8px; }
.yn-chips2 span {
  background: var(--yn-soft); border: 1px solid var(--yn-line); color: var(--yn-navy); border-radius: 20px;
  padding: 6px 14px; font-size: 14px;
}
.yn-chips2 span i { color: var(--yn-steel); margin-right: 6px; }
.yn-mount { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; }
.yn-mount > div { border: 1px solid var(--yn-line); border-radius: 10px; padding: 14px; text-align: center; }
.yn-mount svg { width: 100%; max-width: 140px; height: 80px; display: block; margin: 0 auto 8px; }
.yn-mount b { color: var(--yn-navy); display: block; }
.yn-mount span { font-size: 13px; color: var(--yn-muted); }
.yn-disclaim { font-size: 13px; color: var(--yn-muted); margin-top: 14px; }

/* 電磁鐵 */
.yn-em-hero { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: 30px; align-items: center; margin-bottom: 34px; }
@media (max-width: 991px) { .yn-em-hero { grid-template-columns: minmax(0, 1fr); } }
.yn-em-art { background: var(--yn-navy); border-radius: 14px; padding: 20px; }
.yn-em-art svg { width: 100%; height: auto; display: block; }
.yn-em-hero h3 { color: var(--yn-navy); font-weight: 800; font-size: 26px; }
.yn-em-hero p { color: var(--yn-muted); font-size: 16px; }
.yn-em-hero ul { padding-left: 0; list-style: none; margin: 14px 0 18px; }
.yn-em-hero li { padding: 5px 0 5px 28px; position: relative; color: var(--yn-ink); }
.yn-em-hero li:before { content: "\f26a"; font-family: "bootstrap-icons"; position: absolute; left: 0; top: 4px; color: var(--yn-red); }
.yn-btn.steel { background: var(--yn-steel); }
.yn-btn.steel:hover { background: #244a6e; }
.yn-btn.line { background: #fff; color: var(--yn-navy); border: 1px solid var(--yn-line); }
.yn-btn.line:hover { border-color: var(--yn-navy); color: var(--yn-navy); }
.yn-types { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 14px; margin-bottom: 30px; }
.yn-type { background: #fff; border: 1px solid var(--yn-line); border-radius: 10px; padding: 20px; }
.yn-type .ic {
  width: 46px; height: 46px; border-radius: 10px; background: var(--yn-red-soft); color: var(--yn-red);
  display: flex; align-items: center; justify-content: center; font-size: 22px; margin-bottom: 12px;
}
.yn-type h4 { font-size: 17px; font-weight: 700; color: var(--yn-navy); margin-bottom: 6px; }
.yn-type p { font-size: 14px; color: var(--yn-muted); margin: 0; }
.yn-two { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 20px; }
@media (max-width: 991px) { .yn-two { grid-template-columns: minmax(0, 1fr); } }
.yn-box { background: #fff; border: 1px solid var(--yn-line); border-radius: 12px; padding: 22px; }
.yn-box h4 { font-size: 18px; font-weight: 700; color: var(--yn-navy); margin-bottom: 14px; }
.yn-box ol { padding-left: 20px; margin: 0; }
.yn-box ol li { margin-bottom: 8px; color: var(--yn-ink); }
.yn-box ol li b { color: var(--yn-navy); }
.yn-steps { counter-reset: s; list-style: none; padding: 0; margin: 0; }
.yn-steps li { counter-increment: s; position: relative; padding: 0 0 14px 44px; color: var(--yn-muted); font-size: 14px; }
.yn-steps li:before {
  content: counter(s); position: absolute; left: 0; top: 0; width: 30px; height: 30px; border-radius: 50%;
  background: var(--yn-navy); color: #fff; font-weight: 700; display: flex; align-items: center; justify-content: center;
}
.yn-steps li b { display: block; color: var(--yn-navy); font-size: 15px; }
/* 6 張卡片排成 3 欄（電磁鐵、網頁設計區塊） */
#yn-em .yn-types, #yn-web .yn-types { grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }
@media (max-width: 360px) { #yn-em .yn-types, #yn-web .yn-types { grid-template-columns: minmax(0, 1fr); } }